[Q] Chinese characters instead of Emoji used?

ok I know my problem is kinda weird since I've searched everywhere for a solution but couldn't find any thus far. (though my everywhere is limited to Xda and some other forums)

so my problem is that my note 3 kitkat 4.4.2 is able to display almost all emojis used and show their own Samsung made emoji..
however, every once in a while some of these are replaced by a Chinese character, this issue is visible in BBM broadcasts, Twitter and Path.

I've tried using snapchat, when I add a "story" I can view whatever I wrote in caption in the title, so when I use the emojis as a caption they always appear as Chinese Characters in the title

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